This is a discussion on 2013 downpipe install within the Engine Modifications forums, part of the Tech & Modifying & General Repairs category; i install cobb DP 2013 hatch
rhino ramp 44.99 (not so high hard to slide under the car if you ...

2013 downpipe install

i install cobb DP 2013 hatch
rhino ramp 44.99 (not so high hard to slide under the car if you are fat then use some high ramps)
heat shield has 10mmx8 nuts
DP has 14mmx5 very tight nuts (2 upper nuts that has heat shield bracket are very tight)
it was impossible to work with inter cooler on
DP has 2 more nuts one on chassis other on transmission
2 12mm to CB

at first i forgot to put that ring looking fat thing from oem DP to cobb DP

cobb DP looks kinda half inch short
chassis mount did not align with DP so i had to push it with the help of a rod
oem heat shield will not fit over DP
i am gonna cut mine to fit over it

You certainly want a gasket on there or else you will probably have an exhaust leak. You will smell it in the cabin and it will be apparent if you don't have one on there. I put a new one on when I put my aftermarket downpipe on.

Well your car must have had a gasket on between the turbo and the downpipe originally. But I would think you would have seen it in there when you pulled off your stock downpipe (especially considering how new your car is). They are re-usable (although not indefinitely if you keep taking the DP off), so the Cobb DP probably didn't come with another one. I am assuming you would know what it looks like if you saw it...

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